EP3842739A4 - Nuclear reactor fuel assembly - Google Patents

Nuclear reactor fuel assembly Download PDF

Info

Publication number
EP3842739A4
EP3842739A4 EP18930861.2A EP18930861A EP3842739A4 EP 3842739 A4 EP3842739 A4 EP 3842739A4 EP 18930861 A EP18930861 A EP 18930861A EP 3842739 A4 EP3842739 A4 EP 3842739A4
Authority
EP
European Patent Office
Prior art keywords
nuclear reactor
fuel assembly
reactor fuel
nuclear
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18930861.2A
Other languages
German (de)
French (fr)
Other versions
EP3842739A1 (en
Inventor
Viktor Vasil'evich V'YALITSIN
Sergey Aleksandrovich KUSHMANOV
Dmitriy Nikolaevich PUZANOV
Dmitriy Viktorovich V'YALITSIN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gidropress OKB
Original Assignee
Gidropress OKB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gidropress OKB filed Critical Gidropress OKB
Publication of EP3842739A1 publication Critical patent/EP3842739A1/en
Publication of EP3842739A4 publication Critical patent/EP3842739A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/326—Bundles of parallel pin-, rod-, or tube-shaped fuel elements comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
    • G21C3/331—Comprising hold-down means, e.g. springs
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
    • G21C3/3315—Upper nozzle
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
    • G21C7/20—Disposition of shock-absorbing devices ; Braking arrangements
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
    • G21C3/3305—Lower nozzle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors
EP18930861.2A 2018-08-23 2018-12-29 Nuclear reactor fuel assembly Pending EP3842739A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2018130533A RU2686662C1 (en) 2018-08-23 2018-08-23 Nuclear reactor fuel assembly
PCT/RU2018/000912 WO2020040657A1 (en) 2018-08-23 2018-12-29 Nuclear reactor fuel assembly

Publications (2)

Publication Number Publication Date
EP3842739A1 EP3842739A1 (en) 2021-06-30
EP3842739A4 true EP3842739A4 (en) 2022-08-03

Family

ID=66430429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18930861.2A Pending EP3842739A4 (en) 2018-08-23 2018-12-29 Nuclear reactor fuel assembly

Country Status (11)

Country Link
US (1) US11476009B2 (en)
EP (1) EP3842739A4 (en)
JP (1) JP7072679B2 (en)
KR (1) KR102482187B1 (en)
CN (1) CN112243486B (en)
BR (1) BR112020024995B1 (en)
CA (1) CA3101179C (en)
EA (1) EA202092705A1 (en)
JO (1) JOP20200310A1 (en)
RU (1) RU2686662C1 (en)
WO (1) WO2020040657A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2248051C1 (en) * 2003-06-23 2005-03-10 Фгуп Окб "Гидропресс" Nuclear reactor fuel assembly
RU2419899C1 (en) * 2010-05-12 2011-05-27 Открытое акционерное общество "Ордена Трудового Красного Знамени и ордена труда ЧССР опытное конструкторское бюро "Гидропресс" Fuel assembly of nuclear reactor

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1283195A (en) * 1969-04-17 1972-07-26 British Nuclear Design Constr Fuel element assemblies for fluid-cooled nuclear reactors
US4208248A (en) * 1977-10-26 1980-06-17 The Babcock & Wilcox Company Fuel assembly with a removable end fitting
FR2522866B1 (en) * 1982-03-04 1987-12-31 Commissariat Energie Atomique NUCLEAR REACTOR FUEL ASSEMBLY
US4702882A (en) * 1985-04-04 1987-10-27 Westinghouse Electric Corp. Quick disconnect top nozzle for a nuclear fuel assembly
FR2641118B1 (en) * 1988-12-28 1992-10-16 Framatome Sa
RU2079171C1 (en) * 1995-07-20 1997-05-10 Опытное Конструкторское Бюро "Гидропресс" Nuclear reactor fuel assembly
DE19532366C1 (en) * 1995-09-01 1996-12-05 Siemens Ag Plant inerting and venting containment atmosphere of nuclear reactor
RU2212065C2 (en) * 2001-10-09 2003-09-10 Опытное Конструкторское Бюро "Гидропресс" Removable top nozzle of nuclear-reactor fuel assembly (alternatives)
JP4181078B2 (en) * 2004-03-24 2008-11-12 株式会社日本触媒 Air purifier
RU2325715C2 (en) * 2006-05-29 2008-05-27 Открытое акционерное общество "Новосибирский завод химконцентратов" Removable head of nuclear reactor fuel assembly
KR101474864B1 (en) * 2007-12-26 2014-12-19 토륨 파워 인코포레이티드 Nuclear reactor(variants), fuel assembly consisting of driver-breeding modules for a nuclear reactor(variants) and a fuel cell for a fuel assembly
WO2009131482A1 (en) * 2008-04-23 2009-10-29 Открытое Акционерное Общество "Машиностроительный Зaвoд" Fuel assembly for a nuclear reactor
RU2551432C1 (en) * 2013-11-19 2015-05-27 Открытое Акционерное Общество "Акмэ-Инжиниринг" Fuel element jacket, fuel element and fuel assembly
CN204407018U (en) * 2014-12-05 2015-06-17 上海核工程研究设计院 The syndeton of a kind of removable upper base and guide pipe
CZ2020611A3 (en) * 2018-06-15 2021-05-26 Joint-Stock Company "Tvel" Nuclear reactor fuel assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2248051C1 (en) * 2003-06-23 2005-03-10 Фгуп Окб "Гидропресс" Nuclear reactor fuel assembly
RU2419899C1 (en) * 2010-05-12 2011-05-27 Открытое акционерное общество "Ордена Трудового Красного Знамени и ордена труда ЧССР опытное конструкторское бюро "Гидропресс" Fuel assembly of nuclear reactor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020040657A1 *

Also Published As

Publication number Publication date
US20210366623A1 (en) 2021-11-25
BR112020024995A2 (en) 2021-03-23
RU2686662C1 (en) 2019-04-30
US11476009B2 (en) 2022-10-18
EP3842739A1 (en) 2021-06-30
CN112243486A (en) 2021-01-19
JP7072679B2 (en) 2022-05-20
WO2020040657A1 (en) 2020-02-27
KR20210008859A (en) 2021-01-25
KR102482187B1 (en) 2022-12-29
CA3101179A1 (en) 2020-02-27
EA202092705A1 (en) 2021-06-07
CN112243486B (en) 2022-07-12
BR112020024995B1 (en) 2023-09-26
JP2021531451A (en) 2021-11-18
JOP20200310A1 (en) 2020-11-30
CA3101179C (en) 2024-02-27

Similar Documents

Publication Publication Date Title
EP3734614A4 (en) Nuclear reactor fuel assembly
EP3607559A4 (en) Optimized nuclear fuel core design for a small modular reactor
EP3839978A4 (en) Nuclear reactor core
EP3520116A4 (en) Duplex accident tolerant coating for nuclear fuel rods
EP3780004B8 (en) Nuclear reactor core
EP3622535A4 (en) Annular nuclear fuel pellets with discrete burnable absorber pins
EP3306618A4 (en) Nuclear reactor
EP3622537A4 (en) Small nuclear reactor containment system
EP3475951A4 (en) Nuclear fuel rod
EP3836173A4 (en) Reactor
EP3819916A4 (en) Nuclear reactor dismantlement system
EP3787082A4 (en) Fuel cell system
EP3257050A4 (en) Nuclear fuel containing a neutron absorber mixture
EP3852177A4 (en) Fuel cell system
EP3900819A4 (en) Upflow reactor
EP3564966A4 (en) Nuclear reactor fuel assembly
EP3747027A4 (en) Nuclear fuel failure protection method
EP3849003A4 (en) Fuel cell
EP4042296A4 (en) Moderator for federated learning
GB201811644D0 (en) Nuclear reactor
EP3690890A4 (en) Nuclear reactor fuel assembly
EP3509072A4 (en) Fast-neutron reactor fuel rod
EP3564965A4 (en) Nuclear reactor fuel assembly
EP3358571A4 (en) Fast neutron reactor fuel rod
EP3842739A4 (en) Nuclear reactor fuel assembly

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201120

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20220704

RIC1 Information provided on ipc code assigned before grant

Ipc: G21C 3/33 20060101ALI20220628BHEP

Ipc: G21C 3/30 20060101ALI20220628BHEP

Ipc: G21C 3/32 20060101ALI20220628BHEP

Ipc: G01C 3/04 20060101AFI20220628BHEP